#!/usr/bin/env python3
"""
脚本名称：ch03_exe.py
功能描述：演示数字和数学计算
作者：Gavin
创建日期：2022-05-06
版本：1.0
依赖库：无
使用方法： python ch03_exe.py
"""

print("I will now count my chickens:")
print("Hens", 25 + 30 / 6)
print("Roosters", 100 - 25 * 3 % 4)
print("Now I will count the eggs:")
print(3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6)
print("Is it true that 3 + 2 < 5 - 7?")
print(3 + 2 < 5 - 7)
print("What is 3 + 2?", 3 + 2)
print("What is 5 - 7?", 5 - 7)
print("Oh, that's why it's False.")
print("How about some more.")
print("Is it greater?", 5 > -2)
print("Is it greater or equal?", 5 >= -2)
print("Is it less or equal?", 5 <= -2)
